Nortel Networks NN43001-301 - Manual (Page 228)

228 1.5 Mb ISL implementation
Dedicated mode
Dedicated mode requires modems. See Figure 80 "ISL in dedicated mode
using leased line" (page 228) and Figure 81 "ISL in dedicated mode using
dialup modem" (page 229) for details.
The requirements for using a leased line are
Table 80
Leased line requirements
Hardware Comments
NTAK02 D-channel Handler Interface
(DCHI) Card for ISL mode.
Modem Modem capable of the following:
(such as Ventel 2400-33 or 2400 Plus II)
• minimum of 2400 baud
• synchronous operation
• must support leased line (also known as private
line or point-to-point) operation
NTAK19BA Four port break out cable.
Figure 80
ISL in dedicated mode using leased line
Using dialup modems
The requirements for using a dialup modem are:
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
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